225566257273117 has 16 divisors (see below), whose sum is σ = 227348955630720. Its totient is φ = 223785886401792.

The previous prime is 225566257273103. The next prime is 225566257273151. The reversal of 225566257273117 is 711372752665522.

It is a cyclic number.

It is not a de Polignac number, because 225566257273117 - 2²⁷ = 225566123055389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225566267273117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525434528 + ... + 1525582390.

It is an arithmetic number, because the mean of its divisors is an integer number (14209309726920).

Almost surely, 2^{225566257273117} is an apocalyptic number.

It is an amenable number.

225566257273117 is a deficient number, since it is larger than the sum of its proper divisors (1782698357603).

225566257273117 is a wasteful number, since it uses less digits than its factorization.

225566257273117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155652.

The product of its digits is 74088000, while the sum is 61.

The spelling of 225566257273117 in words is "two hundred twenty-five trillion, five hundred sixty-six billion, two hundred fifty-seven million, two hundred seventy-three thousand, one hundred seventeen".